Messages in this thread | | | Date | Thu, 16 Aug 2012 06:31:34 +0100 | From | Matthew Garrett <> | Subject | Re: [discussion]sched: a rough proposal to enable power saving in scheduler |
| |
On Thu, Aug 16, 2012 at 01:03:32PM +0800, Alex Shi wrote: > On 08/16/2012 12:19 AM, Matthew Garrett wrote: > > Are there workloads in which "power" might provide more performance than > > "performance"? If so, don't use these terms. > > Power scheme should no chance has better performance in design.
Power will tend to concentrate processes on packages, while performance will tend to split them across packages? What if two cooperating processes gain from being on the same package and sharing cache locality?
-- Matthew Garrett | mjg59@srcf.ucam.org
| |